The Pokémon Gyarados TCG Reverse Holo Card 21/98 from the XY-Ancient Origins set features the powerful Stage 1 Pokémon Gyarados with 130 HP. This Holo Rare card is part of The Pokémon Company's Pokémon Trading Card Game and is in English language. The speciality of this card is being a Double Theta, adding an extra layer of rarity and collectibility to this sought-after card for Pokémon TCG enthusiasts. With its unique reverse holo finish, this Gyarados card is a valuable addition to any collection.